@BOOK{ Book!D - 100982219,
AUTHOR = "",
TITLE = "An introduction to phase-integral methods",
LIBRARY= "كتابخانه پردیس علوم (دانشگاه تهران)",
SUBJECT = "Differential equations, Linear -- Numerical solutions,Integrals,Mathematical physics",
URL = "/book/100982219/An-introduction-to-phaseintegral-methods/"}